/* CoralCube | Massively Multiplayer Online Role-Playing Game(MMORPG) Emulator.
|* 
|* Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
|*               2008-2010 TrinityCore <http://www.trinitycore.org/>
|*               2008-2010 CoralCube <http://www.CoralCube.com/>
|*
|* This program is free software. You can redistribute it and/or modify it under the terms of 
|* the GNU General Public License as published by the Free Software Foundation, either 
|* version 2 of the License.
|*
|* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY, 
|* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
|* See the GNU General Public License for more details.
|*
|* You should have received a copy of the GNU General Public License along with this program. 
|* If not, see <http://www.gnu.org/licenses/>.
|*/

#ifndef __UPDATEDATA_H
#define __UPDATEDATA_H

#include "ByteBuffer.h"
class WorldPacket;

enum OBJECT_UPDATE_TYPE
{
    UPDATETYPE_VALUES               = 0,
    UPDATETYPE_MOVEMENT             = 1,
    UPDATETYPE_CREATE_OBJECT        = 2,
    UPDATETYPE_CREATE_OBJECT2       = 3,
    UPDATETYPE_OUT_OF_RANGE_OBJECTS = 4,
    UPDATETYPE_NEAR_OBJECTS         = 5
};

enum OBJECT_UPDATE_FLAGS
{
    UPDATEFLAG_NONE         = 0x0000,
    UPDATEFLAG_SELF         = 0x0001,
    UPDATEFLAG_TRANSPORT    = 0x0002,
    UPDATEFLAG_HAS_TARGET   = 0x0004,
    UPDATEFLAG_LOWGUID      = 0x0008,
    UPDATEFLAG_HIGHGUID     = 0x0010,
    UPDATEFLAG_LIVING       = 0x0020,
    UPDATEFLAG_HAS_POSITION = 0x0040,
    UPDATEFLAG_VEHICLE      = 0x0080,
    UPDATEFLAG_POSITION     = 0x0100,
    UPDATEFLAG_ROTATION     = 0x0200
};

class UpdateData
{
public:
    UpdateData();

    void AddOutOfRangeGUID(std::set<uint64>& guids);
    void AddOutOfRangeGUID(const uint64 &guid);
    void AddUpdateBlock(const ByteBuffer &block);
    bool BuildPacket(WorldPacket *packet);
    bool HasData() { return m_blockCount > 0 || !m_outOfRangeGUIDs.empty(); }
    void Clear();

    std::set<uint64> const& GetOutOfRangeGUIDs() const { return m_outOfRangeGUIDs; }

protected:
    uint32 m_blockCount;
    std::set<uint64> m_outOfRangeGUIDs;
    ByteBuffer m_data;

    void Compress(void* dst, uint32 *dst_size, void* src, int src_size);
};
#endif
